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WARD’S Modeling Effects of CO2 on Plant Growth Lab Activity |
| Determine What Conditions Best Support Increases in Growth |
Experiments have proven that heightened levels of CO2 in the atmosphere, because of burning fossil fuels, often results in increased plant growth. But what happens when increased levels of CO2 are combined with increased moisture, temperature, or nitrates? Students test three types of seeds under varying conditions and graph the results to discover whether increased levels of CO2 in the atmosphere alone influence plant growth or if other factors are involved. Includes a teacher’s guide, student copymasters, and materials for six setups.
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